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PX4 and ROS 2 Can't Hear Each Other
PX4 Autopilot and ROS 2 cannot hear each other. Not "they need configuring" — they literally speak different languages. PX4 keeps its data locked in private memory, and ROS 2 can't read a single word of it.
Extended Kalman Filter
How Does a Drone Know Where It Is? How does an autonomous drone know its position, speed, altitude, and direction? And how can it keep flying when GPS becomes unreliable? The answer is EKF2 — Extended Kalman Filter, one of the most important components of the PX4 autopilot system. In this video, we break down how EKF2 works, from the mathematics behind Kalman filtering to the sensors that help drones navigate and maintain stable flight.